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Hi, I am modeling a sequence of deck placement in a bridge. I am using concatenated analysis using the RESTART function. However, I am having some convergence problems. Therefore, I would like to define each model independent but I need to define the initial stresses corresponding to those...

Hi, I am modeling the deck casting sequence of a bridge. I am using several concatenated models, but I need to define some initial conditions for stresses and for the new positions of the nodes which correspond to the previous analysis. I appreciate any help. Thanks, NGC

Hi, I am running some starting analysis, where I need to change the stiffness properties of some shell elements, since I am modeling the hardening process of a concrete slab. I would like to know how to apply this stiffness change... Additionally, I need to define a material to represent the...

Hi, I am currently working in some parametric analyses. I would like to know if there is any way to run my models from Matlab, in order to avoid doing this with the Abaqus command each time that I need to run a model. I have tons of input files, so it would be really efficient to have such...

I created a program in fortran 90 using Compaq visual fortran V6.6. This program has a math library named CXML, but that library doesn't include comands to solve a generalized eigenvalue problem. Does anyone know how to include a better math library into this program? or if there is another way...

Hi all, I have modeled a beam with shell elements, and I would like to know its resistant moment at an specific section along the length. Is there any function in Abaqus that I can use to obtain these internal forces in a transversal section of a continous model? Or I just have to make the...

Hi, I am modeling an I-plate girder and I have a mesh refinement on the middle of the span, the transition of the mesh is made simply dividing the square elements by two, therefore there are some middle nodes that are not connected to the coarse mesh. Someone can tell me how to give continuity...

I would like to know how to define a non-linear panel zone in SAP2000 (non-linear nllink). I would appreciate any help about this topic.

Hi, I’m going to work with time-history analyses but I need to know how to select the correct ground motion records and how to scale them, in order to match the features of a specific place. I would appreciate any information about it. Thanks.

I need information about the construction and instrumentation of testing frames. I would appreciate if somebody can recommend me papers or web pages on this matter.